Home / 43,233.80-64,800.30-19,862.60

Finding the Fourth Proportional to 43,233.80, 64,800.30 and 19,862.60

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Solution

The fourth proportional to 43,233.80, 64,800.30 and 19,862.60 is: 29,770.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,233.80 : 64,800.30 = 19,862.60 : x
  2. Step 2: Convert to fraction form
    43,233.80/64,800.30 = 19,862.60/x
  3. Step 3: Cross multiply
    43,233.80x = 64,800.30 × 19,862.60
  4. Step 4: Simplify right side
    43,233.80x = 1,287,102,438.78
  5. Step 5: Solve for x
    x = 1,287,102,438.78/43,233.80
  6. Step 6: Final answer
    x = 29,770.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.